macro guard with WOLFSSL_SMALL_STACK to prevent dead code

Author: rlm2002

wolfcrypt/src/asn.c

@@ -18027,10 +18027,13 @@ static word32 SetAlgoIDImpl(int algoOID, byte* output, int type, int curveSz,
     word32 algoSz = 0;
 
     CALLOC_ASNSETDATA(dataASN, algoIdASN_Length, ret, NULL);
+
+#ifdef WOLFSSL_SMALL_STACK
     if(ret < 0) {
         /* Catch MEMORY_E */
         return 0;
     }
+#endif
 
     algoName = OidFromId((word32)algoOID, (word32)type, &algoSz);
     if (algoName == NULL) {